Examples with TwoParametersTestLanguageInjectorProvider org.eclipse.xtext.ui.tests.editor.contentassist.tests.TwoParametersTestLanguageInjectorProvider used on opensource projects

Example 1 with TwoParametersTestLanguageInjectorProvider

use of org.eclipse.xtext.ui.tests.editor.contentassist.tests.TwoParametersTestLanguageInjectorProvider in project xtext-eclipse by eclipse.

the class ParametersContentAssistParserSanityTest method methodNames.

/**
 * Returns test data.
 */
@Parameters(name = "{0}")
public static Collection<Object[]> methodNames() {
    try {
        TwoParametersTestLanguageInjectorProvider injectorProvider = new TwoParametersTestLanguageInjectorProvider();
        try {
            injectorProvider.setupRegistry();
            Injector injector = injectorProvider.getInjector();
            DummyParser dummyParser = new DummyParser();
            TwoParametersTestLanguageGrammarAccess grammarAccess = injector.getInstance(TwoParametersTestLanguageGrammarAccess.class);
            RuleNames ruleNames = RuleNames.getRuleNames(grammarAccess.getGrammar(), false);
            RuleFilter ruleFilter = new RuleFilter();
            ruleFilter.setDiscardUnreachableRules(true);
            FlattenedGrammarAccess flattened = new FlattenedGrammarAccess(ruleNames, ruleFilter);
            Grammar flattenedGrammar = flattened.getFlattenedGrammar();
            dummyParser.setGrammarAccess(grammarAccess);
            dummyParser.setNameMappings(new TwoParametersTestLanguageParser.NameMappings(grammarAccess));
            dummyParser.getRuleName(null);
            Map<AbstractElement, String> nameMappings = new ReflectExtensions().get(dummyParser.getNameMappings(), "mappings");
            List<String> methodNames = Lists.newArrayList(nameMappings.values());
            Collections.sort(methodNames);
            Set<String> flattenedRuleNames = Sets.newHashSet(Lists.transform(flattenedGrammar.getRules(), r -> r.getName()));
            return Lists.transform(methodNames, (s) -> new Object[] { s, flattenedRuleNames });
        } finally {
            injectorProvider.restoreRegistry();
        }
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}